{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "587300501",
    "entityType": "User",
    "nonce": "0x2b621cfc411ec699d7702cdaf1e7d5df70c4de30b2a58fc17c8cb93eb9712aac",
    "signature": "0x1e062f4bc794836c80b276ed0089ab3a709593395a4e7c7e8c5d5946926023b80fd8ed17e06536203e9d073961a579ca5ddf38349115fe456a391261702933511b",
    "signer": "0x36d29AA5C780341f3b35bDE6c1411a7Abcf8794C",
    "userId": "571117272"
  }
}